<template>
  <div class="login-container">
    <div class="login-box">
      <div class="avatar-box">
        <img src="../assets/logo.png" alt />
      </div>
      <el-form label-width="0px" class="login-form" :model="loginForm" :rules="loginFormRules"
        ref="loginFormRef">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password"
            type="password"></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>

      </el-form>
    </div>
  </div>
</template>

<script>
import { log } from 'util'
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async flag => {
        if (!flag) return
        // console.log('提交登录信息，，，')
        const { data: res } = await this.$http.post('login', this.loginForm)

        if (res.meta.status !== 200)
          return this.$message.error(res.meta.msg)
        this.$message.success('登录成功')
        // 保存session
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login-container {
  height: 100%;
  background-color: #2b4b6b;
  .login-box {
    width: 450px;
    height: 300px;
    background-color: #ffffff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar-box {
      position: absolute;
      left: 50%;
      top: -70px;
      transform: translateX(-50%);

      width: 130px;
      height: 130px;
      padding: 10px;
      border: 1px solid #cccccc;
      background-color: #ffffff;
      box-shadow: 0 0 10px #dddddd;
      border-radius: 50%;
      overflow: hidden;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eeeeee;
      }
    }

    .btns {
      display: flex;
      justify-content: flex-end;
    }

    .login-form {
      width: 100%;
      position: absolute;
      bottom: 0;
      padding: 0 20px;
      box-sizing: border-box;
    }
  }
}
</style>